1 files changed, 125 insertions, 0 deletions
diff --git a/patches/server/0541-Add-basic-Datapack-API.patch b/patches/server/0541-Add-basic-Datapack-API.patch
new file mode 100644
index 0000000000..5fe4cec9d3
--- /dev/null
+++ b/patches/server/0541-Add-basic-Datapack-API.patch
@@ -0,0 +1,125 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Connor Linfoot <[email protected]>
+Date: Sun, 16 May 2021 15:07:34 +0100
+Subject: [PATCH] Add basic Datapack API
+
+
+diff --git a/src/main/java/io/papermc/paper/datapack/PaperDatapack.java b/src/main/java/io/papermc/paper/datapack/PaperDatapack.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..9b7dd8a0fba4547f5268b3f99e21ddbe6b5bf566
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/datapack/PaperDatapack.java
+@@ -0,0 +1,50 @@
++package io.papermc.paper.datapack;
++
++import io.papermc.paper.event.server.ServerResourcesReloadedEvent;
++import net.minecraft.server.MinecraftServer;
++import net.minecraft.server.packs.repository.Pack;
++import java.util.List;
++import java.util.stream.Collectors;
++
++public class PaperDatapack implements Datapack {
++    private final String name;
++    private final Compatibility compatibility;
++    private final boolean enabled;
++
++    PaperDatapack(Pack loader, boolean enabled) {
++        this.name = loader.getId();
++        this.compatibility = Compatibility.valueOf(loader.getCompatibility().name());
++        this.enabled = enabled;
++    }
++
++    @Override
++    public String getName() {
++        return name;
++    }
++
++    @Override
++    public Compatibility getCompatibility() {
++        return compatibility;
++    }
++
++    @Override
++    public boolean isEnabled() {
++        return enabled;
++    }
++
++    @Override
++    public void setEnabled(boolean enabled) {
++        if (enabled == this.enabled) {
++            return;
++        }
++
++        MinecraftServer server = MinecraftServer.getServer();
++        List<String> enabledKeys = server.getPackRepository().getSelectedPacks().stream().map(Pack::getId).collect(Collectors.toList());
++        if (enabled) {
++            enabledKeys.add(this.name);
++        } else {
++            enabledKeys.remove(this.name);
++        }
++        server.reloadResources(enabledKeys, ServerResourcesReloadedEvent.Cause.PLUGIN);
++    }
++}
+diff --git a/src/main/java/io/papermc/paper/datapack/PaperDatapackManager.java b/src/main/java/io/papermc/paper/datapack/PaperDatapackManager.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..cf4374493c11057451a62a655514415cf6b298e0
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/datapack/PaperDatapackManager.java
+@@ -0,0 +1,25 @@
++package io.papermc.paper.datapack;
++
++import java.util.Collection;
++import java.util.stream.Collectors;
++import net.minecraft.server.packs.repository.Pack;
++import net.minecraft.server.packs.repository.PackRepository;
++
++public class PaperDatapackManager implements DatapackManager {
++    private final PackRepository repository;
++
++    public PaperDatapackManager(PackRepository repository) {
++        this.repository = repository;
++    }
++
++    @Override
++    public Collection<Datapack> getPacks() {
++        Collection<Pack> enabledPacks = repository.getSelectedPacks();
++        return repository.getAvailablePacks().stream().map(loader -> new PaperDatapack(loader, enabledPacks.contains(loader))).collect(Collectors.toList());
++    }
++
++    @Override
++    public Collection<Datapack> getEnabledPacks() {
++        return repository.getSelectedPacks().stream().map(loader -> new PaperDatapack(loader, true)).collect(Collectors.toList());
++    }
++}
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index 1f6218e580a2a0138d128940a709147c20354b39..c4e63ba96a54fb9e1353510f77d848bed3656405 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -301,6 +301,7 @@ public final class CraftServer implements Server {
+     public boolean ignoreVanillaPermissions = false;
+     private final List<CraftPlayer> playerView;
+     public int reloadCount;
++    private final io.papermc.paper.datapack.PaperDatapackManager datapackManager; // Paper
+     public static Exception excessiveVelEx; // Paper - Velocity warnings
+ 
+     static {
+@@ -383,6 +384,7 @@ public final class CraftServer implements Server {
+         if (this.configuration.getBoolean("settings.use-map-color-cache")) {
+             MapPalette.setMapColorCache(new CraftMapColorCache(this.logger));
+         }
++        datapackManager = new io.papermc.paper.datapack.PaperDatapackManager(console.getPackRepository()); // Paper
+     }
+ 
+     public boolean getCommandBlockOverride(String command) {
+@@ -2971,5 +2973,11 @@ public final class CraftServer implements Server {
+     public com.destroystokyo.paper.entity.ai.MobGoals getMobGoals() {
+         return mobGoals;
+     }
++
++    @Override
++    public io.papermc.paper.datapack.PaperDatapackManager getDatapackManager() {
++        return datapackManager;
++    }
++
+     // Paper end
+ }